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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8323-2019-63-1-121-128</article-id><article-id custom-type="elpub" pub-id-type="custom">dan-593</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ТЕХНИЧЕСКИЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TECHNICAL SCIENCES</subject></subj-group></article-categories><title-group><article-title>Смеси поликарбоната с полиэтилентерефталатгликолем: совместимость компонентов, реологические и механические свойства</article-title><trans-title-group xml:lang="en"><trans-title>Blends of polycarbonate with polyethylene terephthalate glycol: compatibility of components, rheological and mechanical properties</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Коваль</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Koval</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Коваль Василий Николаевич - кандидат технических наук, заведующий сектором.</p><p>Ул. Кирова, 32а, 246050, Гомель</p></bio><bio xml:lang="en"><p>Koval Vasili Nikolaevich - Ph. D. (Engineering), Head of the Sector.</p><p>32a, Kirov Str., 246050, Gomel</p></bio><email xlink:type="simple">koval_mpri@tut.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Строгонова</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Strogоnova</surname><given-names>S. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Строгонова Сюзана Сергеевна - инженер-технолог.</p><p>Пр. Шмидта, 45, 212035, Могилев</p></bio><bio xml:lang="en"><p>Strogonova Suzana Sergeevna - Process Engineer.</p><p>45, Shmidt Ave., 212035, Mogilev</p></bio><email xlink:type="simple">mogilev@khimvolokno.by</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Песецкий</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Pesetskii</surname><given-names>S. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Песецкий Степан Степанович - член-корреспондент, доктор технических наук, профессор, заведующий отделом.</p><p>Ул. Кирова, 32а, 246050, Гомель</p></bio><bio xml:lang="en"><p>Pesetskii Stepan Stepanovich - Corresponding Member, D. Sc. (Engineering), Professor, Heard of the Department.</p><p>32a, Kirov Str., 246050, Gomel</p></bio><email xlink:type="simple">otdel5mpri@tut.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт механики металлополимерных систем им. В. А. Белого, Национальная академия наук Беларуси</institution></aff><aff xml:lang="en"><institution>V.A. Belyi Metal-Polymer Research Institute, National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Могилевхимволокно, Открытое акционерное общество</institution></aff><aff xml:lang="en"><institution>Mogilevkhimvolokno, Open Joint-stock Company</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>12</day><month>03</month><year>2019</year></pub-date><volume>63</volume><issue>1</issue><fpage>121</fpage><lpage>128</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Коваль В.Н., Строгонова С.С., Песецкий С.С., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Коваль В.Н., Строгонова С.С., Песецкий С.С.</copyright-holder><copyright-holder xml:lang="en">Koval V.N., Strogоnova S.S., Pesetskii S.S.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://doklady.belnauka.by/jour/article/view/593">https://doklady.belnauka.by/jour/article/view/593</self-uri><abstract><p>Исследовано влияние соотношения компонентов в стабилизированных бинарных смесях аморфных поликарбоната (ПК) и полиэтилентерефталатгликоля (ПЭТ-Г) на совместимость компонентов, релаксационные, реологические и механические свойства. Материалы получали методом реакционного смешения компонентов в расплаве в ректоре-смесителе на базе двухшнекового экструдера с однонаправленным вращением шнеков. Установлено, что компоненты в смесях взаимно растворимы во всем диапазоне варьирования их концентраций. Температура a-процесса релаксации (температура стеклования, Тс, в смесях) находится в промежутке между значениями ТсПК = 148,3 °С и ТсПЭТ-Г = 82,0 °С и подчиняется уравнению Фокса для однофазных смесей. Механические характеристики смесей изменяются неаддитивно при варьировании концентрации компонентов. В частности, в смесях, в которых преобладает содержание ПК, наблюдается существенное повышение верхнего предела текучести по сравнению с аддитивными значениями, что по данным релаксационной спектрометрии обусловлено интенсивными межмолекулярными взаимодействиями.</p></abstract><trans-abstract xml:lang="en"><p>The influence of the component ratio in the stabilized binary blends of amorphous polycarbonate (PC) and polyethylene terephthalate glycol (PET-G) on the compatibility of components, relaxation, rheological and mechanical properties was studied. The materials were prepared by reactive mixing of the components in the melt in a mixing rectifier based on a twin-screw extruder with unidirectional screw rotation. It is established that the components in the blends are mutually soluble over the entire range of their concentrations. The temperature of the а-process of relaxation (the glass transition temperature, Tg, in the mixtures) is in the interval between the values of TgPC = 148.3 °C, TgPET-G = 82.0 °C and obeys the Fox equation for single-phase blends. The mechanical characteristics of the mixtures change in a non-additive way when the concentration of the components is varied. In particular, in blends in which the PC content prevails, a significant increase in the upper yield limit is observed in comparison with the additive values, which, according to the relaxation spectrometry, is due to intense intermolecular interactions.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>поликарбонат</kwd><kwd>полиэтилентерефталатгликоль</kwd><kwd>реакционное смешение</kwd><kwd>совместимость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>polycarbonate</kwd><kwd>polyethylene terephthalate glycol</kwd><kwd>reaction mixing</kwd><kwd>compatibility</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">The compatibility and transesterification for blends of poly(ethylene terephthalate)/poly(bisphenol-A carbonate) / L. H. Wang [et al.] // Macromol. 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